Description
eQ-3 Homematic CCU2 and CCU3 obtain session IDs without login. This allows a Denial of Service and is a starting point for other attacks. Affected versions for CCU2: 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15. Affected versions for CCU3: 3.41.11, 3.43.16, 3.45.5, 3.45.7, 3.47.10, 3.47.15.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/psytester/psytester.github.io/blob/master/_posts/hacking_and_pentests/CVEs/2019-03-27-CVE-2019-9583.md
Exploit, Third Party Advisory x_refsource_misc
https://psytester.github.io/CVE-2019-9583/
Scores
CVSS v3
8.2
EPSS
0.0015
EPSS Percentile
34.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Details
CWE
CWE-400
Status
published
Products (16)
eq-3/homematic_ccu2_firmware
eq-3/homematic_ccu2_firmware
2.35.16
eq-3/homematic_ccu2_firmware
2.41.5
eq-3/homematic_ccu2_firmware
2.41.8
eq-3/homematic_ccu2_firmware
2.41.9
eq-3/homematic_ccu2_firmware
2.45.6
eq-3/homematic_ccu2_firmware
2.45.7
eq-3/homematic_ccu2_firmware
2.47.10
eq-3/homematic_ccu2_firmware
2.47.12
eq-3/homematic_ccu2_firmware
2.47.15
... and 6 more
Published
Aug 14, 2019
Tracked Since
Feb 18, 2026